Ukrainian President Volodymyr Zelensky has said that an overnight Russian attack killed nine people, wounded dozens more and damaged energy and transport infrastructure.

Status Yellow snow and ice warnings are in place in 11 counties in the north and northeast.

Romania scrambled fighter jets when a drone breached its airspace during a Russian attack on Ukrainian infrastructure near the border, the defence ministry said.

TikTok has announced it is testing a new tool that will allow users to manage how much AI-generated content they see in their feeds.

As tropical corals reach a climate tipping point, Ireland's own cold-water coral reefs, deep in the Atlantic, are only just beginning to be understood.